CN114717012B - Dry quenching waste heat energy recycling and coking wastewater treatment system - Google Patents
Dry quenching waste heat energy recycling and coking wastewater treatment system Download PDFInfo
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- CN114717012B CN114717012B CN202210402251.7A CN202210402251A CN114717012B CN 114717012 B CN114717012 B CN 114717012B CN 202210402251 A CN202210402251 A CN 202210402251A CN 114717012 B CN114717012 B CN 114717012B
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- 238000010791 quenching Methods 0.000 title claims abstract description 45
- 230000000171 quenching effect Effects 0.000 title claims abstract description 45
- 238000004939 coking Methods 0.000 title claims abstract description 41
- 239000002918 waste heat Substances 0.000 title claims abstract description 31
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 239000011343 solid material Substances 0.000 claims abstract description 39
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 239000002699 waste material Substances 0.000 claims abstract description 25
- 239000000571 coke Substances 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 17
- 239000011344 liquid material Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 50
- 239000000706 filtrate Substances 0.000 claims description 40
- 239000002351 wastewater Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 8
- 241000521257 Hydrops Species 0.000 claims description 3
- 206010030113 Oedema Diseases 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000003825 pressing Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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- 239000004305 biphenyl Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- -1 fluorine ions Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
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- 230000003000 nontoxic effect Effects 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
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- 238000000638 solvent extraction Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/04—Wet quenching
- C10B39/06—Wet quenching in the oven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a coke dry quenching waste heat energy recycling and coking wastewater treatment system in the technical field of coking production, which adopts the following technical scheme: the device comprises a dry quenching furnace and a waste heat recovery device, and further comprises a solid-liquid separation device, a screw conveyor and a spraying device, wherein after coking waste liquid is treated by the solid-liquid separation device, solid materials are conveyed to the upper part of the interior of the dry quenching furnace through the screw conveyor, liquid materials are conveyed to the lower part of the interior of the dry quenching furnace through the spraying device, and mixed gas treated by the dry quenching furnace is subjected to heat energy recovery through the waste heat recovery device.
Description
Technical Field
The invention relates to the technical field of coking production, in particular to a system for recycling waste heat energy of dry quenching coke and treating coking wastewater.
Background
The coking wastewater is high-concentration organic wastewater generated in the coking process, has complex components, contains a large amount of organic pollutants such as phenols, biphenyl, pyridine, indole and quinoline, also contains toxic and harmful substances such as cyanogen, inorganic fluorine ions and ammonia nitrogen, and belongs to industrial wastewater which is difficult to biodegrade. The coke-oven plant usually adopts activated sludge to treat the wastewater, but the method can not realize the standard utilization and discharge. At present, various industrial phenol-containing water treatment techniques include chemical oxidation, incineration, steam, adsorption, biochemical, solvent extraction, emulsion membrane, and the like. The incineration method is characterized in that almost any organic matters are decomposed into nontoxic hydrogen and carbon monoxide when the sewage is in an environment with the temperature of about 1000 ℃, the method not only completely treats phenol and completely meets the environmental protection requirement, but also has high energy consumption because the conversion rate of various organic matters in the sewage reaches 99.99 percent, and the method needs a large amount of external heat sources and is difficult to popularize practically.
At present, a spray device is mainly adopted for discharging the wastewater into a dry quenching furnace aiming at the coking wastewater, and as the high-temperature interval of the dry quenching furnace is up to over 1000 ℃, almost all the coking wastewater can be thermally decomposed, so that a heat source is effectively utilized, but the coking wastewater contains more wastes, and the spray device sprays the wastewater to easily cause blockage.
Disclosure of Invention
The invention provides a system for recycling waste heat energy of dry quenching coke and treating coking wastewater, which aims to solve the problems that the coking wastewater provided by the background technology contains more wastes, and a spraying device sprays the wastewater to easily cause blockage.
The invention provides a system for recycling waste heat energy of dry quenching coke and treating coking wastewater, which adopts the following technical scheme: comprises a dry quenching furnace and a waste heat recovery device, and also comprises a solid-liquid separation device, a screw conveyor and a spraying device, wherein after coking waste liquid is treated by the solid-liquid separation device, solid materials are conveyed to the upper part of the inner part of the dry quenching furnace through the screw conveyor, liquid materials are conveyed to the lower part of the inner part of the dry quenching furnace through the spraying device, mixed gas treated by the dry quenching furnace is subjected to heat energy recovery through the waste heat recovery device,
the solid-liquid separation device comprises a shell, the inner chamber top of the shell is provided with a wastewater inlet, the below of the wastewater inlet is connected with a diversion switching mechanism, the two sides of the inside of the shell are respectively provided with a cam and a filtrate chamber, the side wall of the filtrate chamber and the side wall of the diversion switching mechanism are respectively provided with an electromagnet, the bottom of the filtrate chamber is connected with a filter screen, the inside of the filtrate chamber is provided with a hydraulic mechanism, the diversion switching mechanism passes through the cam and the hydraulic mechanism are connected and are two sets of a guide rod penetrates through the bottom of the filtrate chamber, the two ends of the guide rod are respectively provided with a material pushing plate and a support seat, a positive and negative motor is fixed on the support seat, the positive and negative motor is electrically connected with the electromagnet, the output end of the positive and negative motor is provided with a material pushing gear, the bottom middle position of the guide rod is provided with a toothed plate meshed with the material pushing gear, the filtrate chamber is far away from the one end of the guide rod is provided with a solid material discharging mechanism connected with the spiral conveyer, and the bottom of the shell is provided with a product connected with the spraying device.
Optionally, the coke dry quenching furnace comprises a furnace body, a solid material inlet connected with the screw conveyor is arranged on one side of the top of the furnace body, a fluidized bed is arranged at the bottom of an inner cavity of the furnace body, a spray tray connected with the spray device is arranged below the fluidized bed, and the top of the furnace body is connected with the waste heat recovery device through the dust remover.
By adopting the technical scheme, the solid material after solid-liquid separation is injected from the solid material inlet and the liquid material after solid-liquid separation is sprayed from the spraying device, the dry quenching furnace adopts a fluidized state to ensure that the incineration is more thorough, and the burnt mixer carries out waste heat recovery by the waste heat recovery device after dust removal by the dust remover.
Optionally, the top of casing is equipped with the waste water import, the baffle of intaking is located under the waste water import.
Through adopting above-mentioned technical scheme, the coking waste liquid gets into through the waste water import to along flowing into in the baffle of intaking in the casing.
Optionally, the hydraulic mechanism includes a pressure plate, the pressure plate is connected to the top of the inner cavity of the filtrate chamber through a first spring, a pressure rod is fixed to the top of the pressure plate, and the top end of the pressure rod is attached to the outer wall of the cam.
Through adopting above-mentioned technical scheme, when the cam was driven rotatory, under the effect of first spring, the clamp plate can be driven by the depression bar and follow the cam and carry out reciprocating type pushing down the action.
Optionally, the diversion switching mechanism includes a drive shaft, the outer wall of the drive shaft is fixedly sleeved with two groups of flow baffle plates, the end portion of the drive shaft is connected with a drive gear, one side of the drive gear is meshed with a driven gear, a ratchet wheel is sleeved on a middle shaft of the driven gear, the ratchet wheel is arranged in a direction opposite to the direction of the ratchet wheel, one end of the ratchet wheel is connected with the cam through a first transmission belt, and the other end of the ratchet wheel is connected with the cam through a second transmission belt.
By adopting the technical scheme, when the striker plate is driven to rotate by the electromagnet, the driving gear is driven to act through the driving shaft, so that the rotation of the gear can drive the ratchet wheel on one side to rotate, and when the ratchet wheel on one end rotates, the ratchet wheel on the other end does not rotate.
Optionally, the electromagnets are fixed to a side wall of the two sets of diversion switching mechanisms, which is far away from each other, and the electromagnet fixed to the filtrate chamber is located on one side of the electromagnet fixed to the diversion switching mechanism.
By adopting the technical scheme, when the two groups of electromagnets on one side are switched on, the positive and negative motors are controlled to rotate forwards, and when the two groups of electromagnets on the other side are switched on, the positive and negative motors are controlled to rotate backwards.
Optionally, the solid material discharging mechanism includes a discharge port arranged on the side wall of the housing, the inside of the discharge port is hermetically connected with a sliding plug, an end cover is arranged at one end of the sliding plug extending out of the discharge port, and a second spring is connected between the end cover and the side wall of the housing.
By adopting the technical scheme, when the guide rod drives the material pushing plate to push out the filter-pressed solid materials to the discharge hole, the sliding plug can be pushed out, so that the solid materials are pushed out to the feed inlet of the screw conveyor from the discharge hole, after the pushing is finished, the material pushing plate returns to the original position, and under the action of the second spring, the sliding plug enters the discharge hole again, so that the liquid materials are prevented from leaking.
Optionally, through holes are formed in one side wall, close to the two groups of filtrate chambers, of each group of filtrate chambers, the guide rods penetrate through the through holes in the two sides, and when the solid material discharge mechanism on one side penetrates through the through hole in one side to discharge solid materials, the solid material discharge mechanism on the other side is located inside the through hole in the other side.
By adopting the technical scheme, the waste liquid is ensured not to leak.
In summary, the present invention includes at least one of the following advantages:
1. according to the invention, the coking waste liquid passes through the solid-liquid separation device, and the separated solid material and liquid material are respectively injected into the dry quenching furnace for combustion, so that the problem that spraying equipment is easy to block can be effectively avoided.
2. The solid-liquid separation device adopted by the invention has enough design creativity, can realize the solid-liquid separation of the coking waste liquid while continuously supplying the coking waste liquid, has high efficiency in the whole process, does not discharge materials, and realizes filtrate, liquid pressing and material pushing in the diversion switching time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a schematic structural view of a solid-liquid separation apparatus according to the present invention;
FIG. 3 is an enlarged view of part A of the present invention;
FIG. 4 is an enlarged view of the part B of the present invention;
fig. 5 is a schematic diagram of a dry quenching furnace structure of the invention.
Description of reference numerals: 1. dry quenching the coke oven; 101. a furnace body; 102. a fluidized bed; 103. a solid material inlet; 104. spraying a disc; 105. a dust remover; 2. a waste heat recovery device; 3. a solid-liquid separation device; 4. a screw conveyor; 5. a spraying device; 6. a housing; 7. a wastewater inlet; 8. a water inlet baffle plate; 9. a diversion switching mechanism; 901. a drive shaft; 902. a flow baffle plate; 903. a drive gear; 904. a driven gear; 905. a ratchet wheel; 906. a first drive belt; 907. a second belt; 10. a cam; 11. a filtrate chamber; 12. a supporting seat; 13. filtering with a screen; 14. pressing a plate; 15. a pressure lever; 16. a first spring; 17. a guide bar; 18. a material pushing plate; 19. a pushing gear; 20. a toothed plate; 21. a liquid accumulation chamber; 22. an electromagnet; 23. a solid material discharge mechanism; 231. a discharge port; 232. a sliding plug; 233. an end cap; 234. a second spring; 24. a positive and negative motor.
Detailed description of the preferred embodiments
The present invention is described in further detail below with reference to figures 1-5.
Referring to fig. 1, the invention discloses a coke dry quenching waste heat energy recycling and coking wastewater treatment system, which comprises a coke dry quenching furnace 1 and a waste heat recycling device 2, and further comprises a solid-liquid separation device 3, a screw conveyor 4 and a spray device 5, in order to avoid the situation that coking waste liquid is directly sprayed into the coke dry quenching furnace 1 through a spray device to cause blockage, the solid-liquid separation device 3 is additionally arranged, the coking waste liquid can effectively separate solid materials which are easy to cause blockage after being treated by the solid-liquid separation device 3, the solid materials are conveyed to the upper part of the interior of the coke dry quenching furnace 1 through the screw conveyor 4, the liquid materials are conveyed to the lower part of the interior of the coke dry quenching furnace 1 through the spray device 5, the combustion is carried out through the coke dry quenching furnace 1, mixed gas treated by the coke dry quenching furnace 1 is subjected to heat energy recycling through the waste heat energy recycling device 2, and heat energy recycling is carried out in heat recycling areas such as the existing coke dry quenching waste heat energy boilers, chemical production areas or coal gas of a back heating system.
Referring to fig. 2, solid-liquid separation equipment 3 includes casing 6, and the inner chamber top of casing 6 is equipped with waste water import 7, and the top of casing 6 is equipped with waste water import 7, and baffle 8 of intaking is located waste water import 7 under, and coking waste liquid gets into through waste water import 7 to flow into in the casing 6 along intaking in the baffle 8. The lower part of the waste water inlet 7 is connected with a diversion switching mechanism 9, while the solid-liquid separation at one side can be realized by controlling the diversion switching mechanism 9, the solid-liquid separation at the other side can be processed, the continuous supply of waste liquid can be ensured, the solid-liquid processing can not be influenced, both sides of the interior of the shell 6 are provided with a cam 10 and a filtrate chamber 11, the side wall of the filtrate chamber 11 and the side wall of the diversion switching mechanism 9 are provided with electromagnets 22, the diversion direction switching of the diversion switching mechanism 9 can be realized by controlling the electromagnets 22, the bottom of the filtrate chamber 11 is connected with a filter screen 13, the filter screen 13 can separate solid materials and liquid materials in the coking waste liquid, the interior of the filtrate chamber 11 is provided with a liquid pressing mechanism, the hydraulic mechanism can push down the solid material in the filtrate chamber 11, guarantee that unnecessary liquid in the solid material fully flows into in the hydrops room 21 of below, water conservancy diversion switching mechanism 9 is connected with the hydraulic mechanism through cam 10, when water conservancy diversion switching mechanism 9 carries out water conservancy diversion switching, can drive the hydraulic mechanism through cam 10 and carry out the hydrops, the hydraulic mechanism includes clamp plate 14, clamp plate 14 connects in the inner chamber top of filtrate chamber 11 through first spring 16, the top of clamp plate 14 is fixed with depression bar 15, the laminating mutually of depression bar 15 top and cam 10's outer wall, when cam 10 is driven rotatoryly, under the effect of first spring 16, the clamp plate can be driven by depression bar 15 and follow cam 10 and carry out reciprocating type pushing down action.
A guide rod 17 penetrates through the bottoms of the two groups of filtrate chambers 11, two ends of the guide rod 17 are respectively fixed with a material pushing plate 18, a support seat 12 is connected between the two groups of filtrate chambers 11, a positive and negative motor 24 is fixed on the support seat 12, the positive and negative motor 24 is electrically connected with an electromagnet 22, when the electromagnet 22 is switched on, the positive and negative motor 24 is switched on to work, one side wall, away from the two groups of guide switching mechanisms 9, of each group is fixed with an electromagnet 22, the electromagnet 22 fixed on the filtrate chamber 11 is positioned on one side of the electromagnet 22 fixed on the guide switching mechanism 9, wherein when the two groups of electromagnets 22 on one side are switched on, the positive and negative motors 24 are controlled to rotate forwardly, and when the two groups of electromagnets 22 on the other side are switched on, the positive and negative motors 24 are controlled to rotate reversely; when needing to be noticed, the waste liquid on the diversion switching mechanism 9 can enter the lower filtrate chamber 11 only when the electromagnet 22 is contacted;
the output pot head of positive and negative motor 24 is equipped with and pushes away material gear 19, the bottom intermediate position of guide bar 17 is equipped with the pinion rack 20 with pushing away material gear 19 engaged with, positive and negative motor 24 output can drive and push away material gear 19 and rotate, thereby drive pinion rack 20 through pinion rack 20 and carry out reciprocating type lateral shifting, the one end that guide bar 17 was kept away from to filtrate chamber 11 is equipped with the solid material discharge mechanism 23 that is connected with screw conveyer 4, reciprocating type lateral shifting's guide bar 17 can drive solid material discharge mechanism 23 and open, a lateral wall that two sets of filtrate chambers 11 are close to mutually all opens the through-hole, guide bar 17 runs through between the through-hole of both sides, guarantee guide bar 17 mobility stability, when one side solid material discharge mechanism 23 runs through one side through-hole and discharges solid material, opposite side solid material discharge mechanism 23 is located the inside of opposite side through-hole, guarantee that the waste liquid does not leak. The bottom of the shell 6 is provided with a liquid accumulation chamber 21 connected with the spraying device 5, the liquid accumulation chamber 21 is used for collecting liquid materials after solid-liquid separation, and then the liquid materials are conveyed to the dry quenching furnace 1 through the spraying device 5 for combustion.
Referring to fig. 3, the diversion switching mechanism 9 includes a driving shaft 901, two sets of baffle plates 902 are fixedly sleeved on an outer wall of the driving shaft 901, an end of the driving shaft 901 is connected with a driving gear 903, when the baffle plate 902 is driven by an electromagnet 22 to rotate, the driving gear 903 is driven by the driving shaft 901 to operate, one side of the driving gear 903 is engaged with a driven gear 904, the number of teeth of the driven gear 904 is smaller than that of the driving gear 903, a ratchet 905 is sleeved on a middle shaft of the driven gear 904, so that the rotation of the gear 904 can drive the ratchet 905 on one side to rotate, and the directions of the ratchet 905 on both ends are set in opposite directions, so that when the ratchet 905 on one end rotates, the ratchet 905 on the other end does not rotate, the ratchet 905 on one end is connected with the cam 10 on one side through a first transmission belt 906, the ratchet 905 on the other end is connected with the cam 10 through a second transmission belt 907, when the ratchet 905 on one end drives the cam 10 to rotate through the first transmission belt 906, the ratchet 905 on the other end does not rotate, the cam 10 on the other end does not rotate, and the cam 10 on one side does not rotate through the other transmission belt 907.
Referring to fig. 4, the solid material discharging mechanism 23 includes a discharging port 231 opened on the side wall of the housing 6, a sliding plug 232 is hermetically connected inside the discharging port 231, an end cover 233 is arranged at one end of the sliding plug 232 extending out of the discharging port 231, a second spring 234 is connected between the end cover 233 and the side wall of the housing 6, when the guide rod 17 drives the material pushing plate 18 to push out the filter-pressed solid material to the discharging port 231, the sliding plug 232 is pushed out, so as to push out the solid material from the discharging port 231 to the feeding port of the screw conveyor 4, after the material pushing is completed, the material pushing plate 18 returns to the original position, and under the action of the second spring 234, the sliding plug 232 enters the discharging port 231 again, so as to prevent the liquid material from leaking out.
Referring to fig. 5, the dry quenching furnace 1 comprises a furnace body 101, a solid material inlet 103 connected with the screw conveyor 4 is arranged on one side of the top of the furnace body 101, a fluidized bed 102 is arranged at the bottom of an inner cavity of the furnace body 101, a spray tray 104 connected with the spray device 5 is arranged below the fluidized bed 102, the top of the furnace body 101 is connected with the waste heat recovery device 2 through a dust remover 105, solid materials after solid-liquid separation and liquid materials after solid-liquid separation are injected from the solid material inlet 103, the liquid materials after solid-liquid separation are sprayed from the spray device 5, the dry quenching furnace 1 adopts a fluidized state to burn more thoroughly, and after dust removal is carried out on a burnt mixer through the dust remover 105, the waste heat recovery device 2 carries out waste heat recovery.
The implementation working principle of the coke dry quenching waste heat energy recycling and coking wastewater treatment system provided by the invention is as follows:
when the device is used, the coking waste liquid passes through the solid-liquid separation device 3, and the separated solid material and liquid material are respectively injected into the dry quenching furnace 1 for combustion, so that the problem that spraying equipment is easy to block can be effectively avoided, wherein when the coking waste liquid enters the shell 6 of the solid-liquid separation device 3, the electromagnet 22 on one side is controlled to be connected with a power supply, the diversion switching mechanism 9 realizes the switching of the diversion direction, the coking waste liquid flows into the filtrate chamber 11 on the side from the diversion direction, after the coking waste liquid flows into the filtrate chamber 11 and is subjected to solid-liquid separation through the filter screen 13, the liquid material is uniformly collected through the liquid accumulation chamber 21, in the rotation process of the diversion switching mechanism 9, the cam 10 above the filtrate chamber 11 on the other side is driven to rotate by the ratchet 905 of the diversion switching mechanism 9, thereby the fluid pressing mechanism of this side filtrate chamber 11 top of control carries out the fluid pressing, after the fluid pressing is accomplished, electro-magnet 22 contact signal control positive and negative motor 24 work, positive and negative motor 24 passes through pinion rack 20 and drives ejector pad 18 of guide bar 17 one end and discharges through solid material discharge mechanism 23 to the solid material of accomplishing above-mentioned fluid pressing, after the solid material is handled in another side filtrate chamber 11, the water conservancy diversion switching mechanism 9 of secondary control carries out the water conservancy diversion and switches, in the switching process, accomplish the processing of the interior coking waste liquid of filtrate chamber 11 of above-mentioned this side again, so repeatedly, when realizing incessant confession coking waste liquid, realize the solid-liquid separation of coking waste liquid, high efficiency, only need according to the volume of coking waste liquid handling at every turn set for water conservancy diversion switching mechanism 9 switching time can.
The above are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. The utility model provides a dry quenching waste heat recovery utilizes and coking wastewater treatment system, includes dry quenching stove (1) and waste heat recovery device (2), its characterized in that: the device is characterized by further comprising a solid-liquid separation device (3), a screw conveyor (4) and a spraying device (5), after coking waste liquid is treated by the solid-liquid separation device (3), solid materials are conveyed to the upper part of the interior of the dry quenching furnace (1) through the screw conveyor (4), liquid materials are conveyed to the lower part of the interior of the dry quenching furnace (1) through the spraying device (5), and mixed gas treated by the dry quenching furnace (1) is subjected to heat energy recovery through the waste heat recovery device (2);
the solid-liquid separation device (3) comprises a shell (6), a waste water inlet (7) is arranged at the top of an inner cavity of the shell (6), a diversion switching mechanism (9) is connected below the waste water inlet (7), a cam (10) and a filtrate chamber (11) are arranged on two sides of the interior of the shell (6),
the diversion switching mechanism (9) comprises a driving shaft (901), two groups of flow baffle plates (902) are fixedly sleeved on the outer wall of the driving shaft (901), the end part of the driving shaft (901) is connected with a driving gear (903), one side of the driving gear (903) is meshed with a driven gear (904), a ratchet wheel (905) is sleeved on an intermediate shaft of the driven gear (904), the directions of the ratchet wheels (905) at two ends are opposite, one end of the ratchet wheel (905) is connected with the cam (10) at one side through a first transmission belt (906), the other end of the ratchet wheel (905) is connected with the cam (10) at the other side through a second transmission belt (907), the side walls of two groups of filtrate chambers (11) and the side wall, far away from the two groups of flow baffle plates (902), are respectively fixed with an electromagnet (22), and the electromagnet (22) fixed on the filtrate chamber (11) is positioned at one side of the electromagnet (22) fixed on the flow baffle plate (902),
the bottom of filtrate chamber (11) is connected with filter screen (13), the inside of filtrate chamber (11) is equipped with hydraulic mechanism, water conservancy diversion switching mechanism (9) are passed through cam (10) with hydraulic mechanism is connected, and is two sets of guide bar (17) have been run through between the bottom of filtrate chamber (11), the both ends of guide bar (17) all are fixed with scraping wings (18), and are two sets of be connected with supporting seat (12) between filtrate chamber (11), be fixed with positive and negative motor (24) on supporting seat (12), positive and negative motor (24) with electro-magnet (22) electric connection, the output pot head of positive and negative motor (24) is equipped with and pushes away material gear (19), the bottom intermediate position of guide bar (17) be equipped with push away material gear (19) engaged with pinion rack (20), filtrate chamber (11) are kept away from the one end of guide bar (17) be equipped with the solid material discharge mechanism (23) that screw conveyer (4) are connected, the bottom of casing (6) be equipped with hydrops (21) that spray set (5) are connected.
2. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, wherein: the dry quenching furnace (1) comprises a furnace body (101), a solid material inlet (103) connected with the screw conveyor (4) is formed in one side of the top of the furnace body (101), a fluidized bed (102) is arranged at the bottom of an inner cavity of the furnace body (101), a spraying disc (104) connected with the spraying device (5) is arranged below the fluidized bed (102), and the top of the furnace body (101) is connected with the waste heat recovery device (2) through a dust remover (105).
3. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, characterized in that: the top of casing (6) is equipped with waste water import (7), be equipped with into water baffle (8) in casing (6), it is located to advance water baffle (8) under waste water import (7).
4. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, wherein: the hydraulic mechanism comprises a pressure plate (14), the pressure plate (14) is connected to the top of an inner cavity of the filtrate chamber (11) through a first spring (16), a pressure rod (15) is fixed to the top of the pressure plate (14), and the top end of the pressure rod (15) is attached to the outer wall of the cam (10).
5. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, wherein: the solid material discharging mechanism (23) comprises a discharging hole (231) formed in the side wall of the shell (6), a sliding plug (232) is connected to the inside of the discharging hole (231) in a sealing mode, an end cover (233) is arranged at one end, extending out of the discharging hole (231), of the sliding plug (232), and a second spring (234) is connected between the end cover (233) and the side wall of the shell (6).
6. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, wherein: through holes are formed in one side wall, close to the two groups of filtrate chambers (11), and the guide rod (17) penetrates through the through holes in the two sides.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402251.7A CN114717012B (en) | 2022-04-18 | 2022-04-18 | Dry quenching waste heat energy recycling and coking wastewater treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402251.7A CN114717012B (en) | 2022-04-18 | 2022-04-18 | Dry quenching waste heat energy recycling and coking wastewater treatment system |
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| CN114717012A CN114717012A (en) | 2022-07-08 |
| CN114717012B true CN114717012B (en) | 2023-03-10 |
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| JP2009207983A (en) * | 2008-03-04 | 2009-09-17 | Metawater Co Ltd | Method for recovering phosphorus extract and apparatus for recovering phosphorus extract |
| CN102642971A (en) * | 2012-05-03 | 2012-08-22 | 太原理工大学 | Coking wastewater treatment process |
| EP3266508A1 (en) * | 2015-03-04 | 2018-01-10 | Kuraray Co., Ltd. | Ballast water production method and ballast water treatment system |
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| CN209445777U (en) * | 2018-11-22 | 2019-09-27 | 天津山海关豆制品有限公司 | A kind of bean dregs recycling drying unit |
| CN209548842U (en) * | 2018-12-05 | 2019-10-29 | 靖江市格利环保科技有限公司 | A kind of duplex strainer |
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2022
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009207983A (en) * | 2008-03-04 | 2009-09-17 | Metawater Co Ltd | Method for recovering phosphorus extract and apparatus for recovering phosphorus extract |
| CN102642971A (en) * | 2012-05-03 | 2012-08-22 | 太原理工大学 | Coking wastewater treatment process |
| EP3266508A1 (en) * | 2015-03-04 | 2018-01-10 | Kuraray Co., Ltd. | Ballast water production method and ballast water treatment system |
| CN208678513U (en) * | 2018-09-05 | 2019-04-02 | 河南华商药业有限公司 | A kind of pharmaceutical production filtration treatment device |
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| CN114717012A (en) | 2022-07-08 |
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